It is true that you are saving this furniture from potentially going to a landfill, know that reupholstering an old sofa could end up costing more than you would pay for a new one. Even after you have it reupholstered, it could still be uncomfortable. I am assuming you just mean to have the sofa re-covered, and are not planning to change its insides.

The most important things to consider are quality and comfort, especially if you plan to spend any amount of time on your sofa. The best looking sofa in the whole world cannot measure up to the most comfortable one. That is why you need to test drive one before you buy, just the way you would test drive a car.​

For sitting, the size of a full sized sleeper is between a sofa and a love seat, rather like an apartment sofa, so it is still a good option for smaller spaces and apartments. You will find that a full-size sleeper is generally about 72 inches wide, and approximately about 90 inches long when fully opened. There is no simple, easy yes or no answer to this question because the answer depends on several factors. If you are planning to reupholster an old sofa then you should really consider them before you commit to an expensive undertaking.